Finding the Fourth Proportional to 64,411.50, 88,857.63 and 45,559.02

Step by Step Solution

1. Step 1: Write the proportion equation
   64,411.50 : 88,857.63 = 45,559.02 : x
2. Step 2: Convert to fraction form
   64,411.50/88,857.63 = 45,559.02/x
3. Step 3: Cross multiply
   64,411.50x = 88,857.63 × 45,559.02
4. Step 4: Simplify right side
   64,411.50x = 4,048,266,542.32
5. Step 5: Solve for x
   x = 4,048,266,542.32/64,411.50
6. Step 6: Final answer
   x = 62,850.06